RT Journal Article SR Electronic T1 Infundibular buckling as an adjunctive sign of pituitary adenoma JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 243 OP 243 VO 23 IS 2 A1 Bassam M. Addas A1 Mohammed M. Jan YR 2002 UL http://smj.org.sa/content/23/2/243.abstract AB